42488684868 has 144 divisors (see below), whose sum is σ = 126616017024. Its totient is φ = 10824053760.

The previous prime is 42488684857. The next prime is 42488684881. The reversal of 42488684868 is 86848688424.

It is a junction number, because it is equal to n+sod(n) for n = 42488684799 and 42488684808.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 474298 + ... + 556718.

It is an arithmetic number, because the mean of its divisors is an integer number (879277896).

Almost surely, 2^42488684868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42488684868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63308008512).

42488684868 is an abundant number, since it is smaller than the sum of its proper divisors (84127332156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42488684868 is a wasteful number, since it uses less digits than its factorization.

42488684868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82490 (or 82469 counting only the distinct ones).

The product of its digits is 150994944, while the sum is 66.

The spelling of 42488684868 in words is "forty-two billion, four hundred eighty-eight million, six hundred eighty-four thousand, eight hundred sixty-eight".